window.wp = window.wp || {};
(function( exports, $ ){
var api = wp.customize,
Loader;
$.extend( $.support, {
history: !! ( window.history && history.pushState ),
hashchange: ('onhashchange' in window) && (document.documentMode === undefined || document.documentMode > 7)
});
Loader = $.extend( {}, api.Events,{
initialize: function() {
this.body = $( document.body );